OBD Guide

C128C

ABS Regenerative Axle Pressure Sensor Offset Error

C128C is an OBD-II diagnostic trouble code meaning: ABS Regenerative Axle Pressure Sensor Offset Error. Common causes: pressure sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Activating the ABS indicator on the dashboard
  • Reduced braking performance
  • Disabling the regenerative braking system

Causes

  • Pressure sensor malfunction
  • Open or short circuit in wiring harness
  • Problems with the ABS control unit
  • Damage to the mechanical components of the axle

How to Fix

  1. Diagnose the pressure sensor and its circuit
  2. Check the wiring harness for damage
  3. Replace the sensor if wear is detected
  4. Programmatically reflash the ABS control unit, if required

Related codes

FAQ

What does the C128C code mean?

C128C is an OBD-II diagnostic trouble code that indicates: ABS Regenerative Axle Pressure Sensor Offset Error

What causes a C128C error code?

The most common causes of C128C include: Pressure sensor malfunction; Open or short circuit in wiring harness; Problems with the ABS control unit; Damage to the mechanical components of the axle.

How do I fix a C128C diagnostic trouble code?

To fix C128C: Diagnose the pressure sensor and its circuit. Check the wiring harness for damage. Replace the sensor if wear is detected. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C128C?

Limited driving only, diagnose soon

How much does it cost to fix C128C?

The estimated repair cost for C128C is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat